Crossword Genius

Remove thread from uniform, and lining thus caught (5)

Ross

I believe the answer is:

unsew

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'remove thread' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'uniform and lining thus caught' is the wordplay.
'uniform' becomes 'U' (phonetic alphabet: alpha, bravo, charlie etc.).
'and' is a charade indicator (letters next to each other).
'lining' becomes 'n' (I can't explain this - if you can you should believe this answer much more).
'thus' becomes 'so' (synonyms).
'caught' indicates a 'sounds like' (homophone) clue (heard).
'so' sounds like 'sew'.
'u'+'n'+'sew'='UNSEW'

'from' acts as a link.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
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